Spring Snap Hooks and Quick Links
Snap Hook With Screw DIN 5299D
A DIN 5299D compliant spring-loaded snap hook with a threaded screw pin, designed for quick and secure connection in rigging, towing, and load securing. Available in sizes from 4mm to 14mm diameter, made from carbon steel, stainless steel 304 or 316, or aluminum alloy, with galvanized, oxide, or spray paint finishes. The screw pin locks under tension and prevents accidental opening during use.
- Size
- From dia 4mm-14mm
- Material
- Carbon Steel/SS304/SS316 Surface: Galvanized/Oxide/Spray paint
- Packing
- Cartons + Pallets
- Catalogue Family
- Spring Snap Hooks and Quick Links
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
Key Benefits
What Snap Hook with Screw DIN 5299D Gives You
- DIN 5299D standard compliance ensures consistent performance and interchangeability across international rigging systems
- Threaded screw pin provides a secure lock under load and resists accidental opening during dynamic use
- Available in carbon steel stainless steel 304 316 or aluminum alloy for corrosion resistance or weight reduction
- Galvanized oxide or spray paint finishes improve resistance to rust and environmental wear
- Quick connect and disconnect function reduces rigging time in field operations
- Working load limit stamped on the body for traceability and safety verification
- Compact design fits into tight spaces and reduces bulk in multi-component rigging systems
Application Scenarios
Where Snap Hook with Screw DIN 5299D Is Used
- Connecting rope or cable to a fixed anchor point in marine mooring or offshore rigging
- Securing loads on trailers and trucks using ratchet straps or webbing slings
- Attaching lifting slings to hooks or shackles in crane operations
- Quickly joining components in temporary rigging setups for construction or event staging
- Connecting safety lines or fall arrest systems in industrial work platforms
- Field maintenance where frequent disassembly and reassembly are required
Who It Is For
Buyers This Product Is Built For
- Marine and offshore contractors requiring reliable hook hardware for mooring and anchoring
- Logistics and transport companies specifying secure tie-down hardware for freight
- Construction firms using rigging systems with frequent setup and teardown
- Industrial maintenance teams needing durable and repeatable connection hardware
- Rigging distributors carrying a full range of snap hooks with standardized dimensions
- Manufacturers building safety equipment or recovery kits requiring certified components
Problems It Solves
Problems This Product Removes
- Accidental hook opening under load due to weak spring tension or poor pin retention
- Inconsistent sizing or non-standard dimensions making it hard to source replacement parts
- Lack of traceability and working load limit marking on hooks used in safety-critical applications
- Corrosion damage in saltwater or humid environments due to inadequate surface finish
- Need to source multiple hook types from different suppliers for a single rigging system
- Time lost in rigging due to slow or unreliable connection methods
Technical Features
Technical Features
- DIN 5299D standard compliance for international rigging compatibility
- Threaded screw pin with nut for positive locking under tension
- Spring-loaded gate opens with finger pressure and closes under spring force
- Working load limit stamped on the body for field traceability
- Available in carbon steel stainless steel 304 stainless steel 316 or aluminum alloy
- Surface finish options: galvanized oxide or spray paint
- Sizes range from 4mm to 14mm diameter with corresponding A B C D F dimensions and WLL values
Specifications
Snap Hook with Screw DIN 5299D Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Standard | DIN 5299D |
|---|---|
| Capacity Range | 80 kg to 900 kg safe working load |
| Material | Carbon steel stainless steel 304 stainless steel 316 aluminum alloy |
| Pin Type | Threaded screw pin with nut |
| Surface Finish | Galvanized oxide spray paint |
| 4mm Size Dimensions | A 4 B 20 C 40 D 7 F 7 mm |
| 5mm Size Dimensions | A 5 B 25 C 50 D 8 F 7 mm |
| 6mm Size Dimensions | A 6 B 30 C 60 D 9 F 8 mm |
| 7mm Size Dimensions | A 7 B 35 C 70 D 10 F 8 mm |
| 8mm Size Dimensions | A 8 B 40 C 80 D 12 F 9 mm |
| 9mm Size Dimensions | A 9 B 45 C 90 D 12 F 10 mm |
| 10mm Size Dimensions | A 10 B 50 C 100 D 15 F 11 mm |
| 11mm Size Dimensions | A 11 B 57 C 120 D 18 F 16 mm |
| 12mm Size Dimensions | A 12 B 67 C 140 D 20 F 19 mm |
| 13mm Size Dimensions | A 13 B 74 C 160 D 22 F 25 mm |
| 14mm Size Dimensions | A 14 B 86 C 180 D 22 F 35 mm |
Materials
Materials And Finishes
- Carbon steel body with high tensile strength for general-purpose rigging
- Stainless steel 304 or 316 for use in corrosive environments or marine applications
- Aluminum alloy for lightweight applications where strength is secondary
- Galvanized coating to resist rust and extend service life in humid conditions
- Oxide or spray paint finish for additional protection and visual identification
Manufacturing Process
How This Product Is Made
1Raw material cutting and shaping into hook blanks
2Cold forming of the hook body and gate
3Thread rolling on the screw pin
4Heat treatment to enhance spring tension and fatigue resistance
5Surface finishing by galvanizing oxide coating or spray painting
6Assembly of the screw pin and gate with spring tension adjustment
7Proof load testing and working load limit stamping
8Final inspection and packing
Quality Control
Quality Control On Every Batch
- Proof load test on production batches before release
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm WLL rating
- Spring tension and gate closure force tested under load
- Material Test Certificate to EN 10204 3.1 issued with the order on request
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the hook body
- Private label and OEM marking for brand-specific packaging
- Custom surface finish including zinc plating powder coating or electrophoretic black
- Custom sizes and dimensions built to a supplied drawing
- Custom carton and pallet packing configuration for warehouse or retail use
Compare
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| Screw pin snap hook with cotter pin | The threaded screw pin locks under tension and does not require a separate cotter pin, reducing the risk of loss and simplifying installation |
| Spring gate snap hook with no locking pin | The screw pin prevents accidental opening under dynamic load, while a spring gate alone may open under shock or vibration |
| Aluminum alloy snap hook | Carbon steel offers higher strength and wear resistance, while aluminum is lighter but less durable under repeated high-load use |
| Standard snap hook without DIN 5299D compliance | DIN 5299D ensures consistent dimensions and performance across suppliers, reducing fit and safety risks |
Use Guide
How To Use And Inspect Snap Hook with Screw DIN 5299D
- Verify the stamped working load limit matches the expected load before use
- Ensure the screw pin is fully tightened before applying load
- Check the gate opens and closes smoothly without binding or misalignment
- Inspect for deformation corrosion or wear on the hook body and pin before each use
- Do not exceed the rated working load or apply side loads that stress the gate
- Retire the hook if the gate no longer closes securely or the marking is illegible
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Sourcing Support For This Product
Answers
Snap Hook with Screw DIN 5299D FAQ
Is this snap hook DIN 5299D compliant?
Yes. The snap hook is manufactured to DIN 5299D standard dimensions and performance requirements.
What materials are available?
Available in carbon steel stainless steel 304 stainless steel 316 or aluminum alloy.
Can you provide a Material Test Certificate?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied with the order on request.
What surface finishes are offered?
Galvanized oxide or spray paint finishes are standard. Custom finishes including zinc plating powder coating or electrophoretic black are available.
Can you custom stamp our brand and tonnage?
Yes. Custom tonnage stamping private label marking and OEM packaging are standard options.
How are the hooks packed for export?
Cartons on pallets as standard. We can configure carton count and pallet pattern to suit your warehouse or retail pack. Goods can be held in our Qingdao warehouse free for two months.
What is the working load limit range?
The range runs from 80 kg to 900 kg safe working load, with specific values listed in the size table.
Need A Quote On Snap Hook with Screw DIN 5299D
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We reply within 24 hours on WhatsApp or by email. Send a drawing, a photo or a bill of materials and we will quote it as it stands.